In an interview with Develop, Valve boss Gabe Newell says that his company is more interested in "looking into what Valve can do with payment services than engine services". What that means is some crazy ideas on how to take your money.

Let's get physical, or more specifically, let's get biometrical, as Valve's Gabe Newell, Erik Johnson and Doug Lombardi talk to PC Gamer about using players' intrinsic physical reactions to playing video games.